Ethylene
n. 乙烯\\n[化] 乙烯; 1,2-亚乙基
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
No matter what comes up, don't look back.
不论发生什么事情，你也不要回头看。
Tomorrow is christmas Eve, and my father and I went to choose a Christmas tree today.
明天是圣诞节前夜，今天我和父亲去选圣诞树。